215540811

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{185651}}^1$

素因数の和:185703

約数の個数: 16

約数和(自身を含む): 326747520

約数和(自身を除く): 111206709

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 185651, 556953, 1670859, 5012577, 7982993, 23948979, 71846937, 215540811]

約数ペア:

[(1, 215540811), (3, 71846937), (9, 23948979), (27, 7982993), (43, 5012577), (129, 1670859), (387, 556953), (1161, 185651)]